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· Private foundation
This foundation accepts unsolicited grant applications.
By grantee IRS cause code (NTEE).
A cause breakdown isn’t shown here: 55% of HAROLD J MIOSSI CHARITABLE TRUST’s grantee dollars go to organizations outside the IRS cause taxonomy (common for large international and research funders), so a chart would be mostly “unclassified” and misrepresent the portfolio.
Beneath the NTEE codes, this is what the grant descriptions actually say.
…and in their own words, year by year
Words distinctive to each year’s grant purposes (TF-IDF) · event-driven terms in cyan.
Your grants by size, and where they go.
By grant size · FY2024
Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.
Your human-services grants (FY23–23, $20k) land where the poverty rate runs at 12% — the area typically sits at 9%. 100% of those dollars reach neighborhoods with above-average need. Most of your grants land in higher-need ZIPs.
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP; grantee ZIP can differ from where services are delivered.
US grants placed by each grantee’s ZIP, which can differ from where services are actually delivered. Need from public data — U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA, United Way ALICE — shown as context about the area, never attributed to your giving.
Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.
35 repeat relationships — 15 still active in FY2024, 20 since wound down; 5 grantees were first funded in FY2024 (too recent to call).
How the two cohorts compare
Organizations
Total granted
Median revenue growth · since first grant
Still filing today
New vs renewed · share of each year
In FY2024, 67% of grant dollars renewed an existing relationship; $577k went to new ones.
Where new relationships form · theme of each grantee’s first grant
First-time = a grantee’s first year in your filing window; renewed = funded in an earlier year too. As a portfolio matures the renewed share naturally climbs — once funded, an org stays “renewable” — so the signal is the years that buck it (a new-grantee intake wave). The earliest year is left-censored: relationships that predate the data read as “new.” Theme is the grantee’s IRS cause.
Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent IRS filings.
The map has a center of gravity: the average direction from the rest of the sector toward the organizations the foundation funds — the shape of its giving. Scoring every nonprofit along that direction surfaces the ones that look most like the portfolio. These are the closest matchesthat aren’t grantees — a resemblance in what they say they do, not a recommendation.
|to conserve and care for wildlands, farms, and ranches, and connect people to the land.
Reserve stewardship, including natural and cultural resource protection and public use area improvements; interpretive education to foster visitor appreciation of point lobos state natural reserve; train and support a docent corps of ~ 200…
Friends of santa cruz state parks is a vital partner to california state parks, creatively working to ensure parks and beaches throughout santa cruz county and coastal san mateo county are thriving and available to all.
Cuenca los ojos works to preserve and restore the biodiversity of the us/mexican borderlands through land protection, habitat restoration and wildlife reintroduction.
The Foundation is a Cooperating Association of the National Park Service organized to support the interpretive, educational and scientific programs offered to visitors of the Cabrillo National Monument.
To improve and maintain california's state parks.
To ensure the right of the public to access and respectfully enjoy the California Coast. To work for the completion of the California Coastal Trail and to educate the public about the coast and ocean resources.
California Coastkeeper Alliance coordinates, supports & enhances the work of the local California Waterkeeper programs to provide a statewide voice for safeguarding California's waters, and its world renowned coast & ocean, for the benefit…
To promote the scientific, literary, educational, and charitable purposes of csula.
The California Surf Museum serves as an international repository and resource center on the lifestyle sport of surfing through capturing,preserving and chronicling its art, culture and heritage for the education and enjoyment of current…
CWC is pursuing its mission of protecting and preserving coastal watersheds through a strategic focus on the lower San Lorenzo River, transforming the river into a treasured community asset and destination that Santa Cruz is proud of.
Slo rep strengthen theatre's cultural influence and enriches the central coast by producing professional theatre, nurturing artists and providing theatre education for children and adults.
For reference, the grantee most central to the portfolio’s shape is Los Padres Forestwatch Inc and the most unlike its peers is California Polytechnic State University. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue.
Where your money sits — by cause, then by grantee
Each org by its size and your share of it — top-left is where you’re load-bearing
A decade per grantee — revenue shaded, your grants as bars, all rows on one timeline.
The grantmakers whose grantees overlap with yours far more than size alone predicts. Each orbits closer the stronger the alignment; the arcs between them show where they also fund each other. Here it reads as a tightly interlocked camp — most of these funders back each other's grantees too.
Open a dossier: The Community Foundation San Luis Obispo · The Niner Foundation Inc · The Shanbrom Family Foundation · The Clements Family Charitable Trust · National Philanthropic Trust · Donor Advised Charitable Giving Inc · Paypal Charitable Giving Fund · Network for Good · The Bank of America Charitable Foundation Inc · Fidelity Investments Charitable Gift Fund · American Online Giving Foundation Inc · Amazonsmile Foundation
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. A research starting point: overlap is association, not proof of shared intent.
Every dot is one organisation HAROLD J MIOSSI CHARITABLE TRUST funds. Left–right is the share of its income from government; up–down is the share from you. Bigger dots raise more. Filter to federal or a single department — and drag the year to watch it move.
Government income is each org’s traced federal awards (USASpending — grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check. An association, not a claim that your grant caused the public funding. Coverage is precision-first — a floor, not a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12–24 months.
Through Plinth
This dossier was generated cold from public filings. In Plinth it’s a working system — every applicant assessed and every grant monitored. Here’s a taste, run on one of your grantees: CENTRAL COAST SALMON ENHANCEMENT.
Agentic due diligence · confidence × risk
~4 months of operating runway; revenue grew over 8 filed years.
8 years of Form 990 filings, still active; revenue up 7.0× since.
US 501(c)(3); EIN 770079896 on file with current IRS Form 990 filings.
Board composition & governance documents — verified live in Plinth from the applicant.
OFAC / UN sanctions screening — run live in Plinth at assessment.
Staffing, M&E and activity alignment — assessed live in Plinth from submitted proposals.
Live · Plinth’s real DD engine
Run the actual assessment on CENTRAL COAST SALMON ENHANCEMENT, cold from public data.
Generated live from public IRS filings + open web sources by Plinth’s agentic engine. Shown as an illustration of the product, not a formal assessment.
Post-award monitoring · continuous checks
What you see here is static and public. In Plinth it’s operational — the full six-pillar framework on every applicant (with their own documents + live registry and sanctions checks), monitoring dashboards on every award, custom board reports, and eligibility routing for intake.
Preview generated from this grantee’s public IRS filings and independent reporting. Pillars marked “live in Plinth” require the applicant’s submitted documents. Shown as illustration, not a formal assessment.
Warm introductions · Powered by PlinthPro
Find your warmest path to Harold J Miossi Charitable Trust through people who sit on both boards. Search for your organization and Plinth traces the introduction across shared trustees and officers.
Every link is a documented governance overlap in public IRS 990 filings — not a personal network — and each hop carries its own confidence tier. Low-confidence or distant paths are held back rather than guessed.